TABLE IV.

Comparison of User Grouping Approaches With h = 3 Neighbors, Pn = 3 and Full Mode Data Accumulation, Averaged Over 4 Individual Runs; No Neighbors and Random Neighbors Are Included as Baselines

	K= 1				K=3				K=5
Clustering Method	Recall	Precision	Cosine Similarity	F1	Recall	Precision	Cosine Similarity	F1	Recall	Precision	Cosine Similarity	F1
No Clustering, No Neighbors	0.296	0.874	0.909	0.442	0.590	0.584	0.891	0.586	0.681	0.402	0.887	0.505
No Clustering, 3 Random Neighbors	0.277	0.813	0.763	0.413	0.510	0.526	0.730	0.517	0.597	0.383	0.700	0.466
K-Means of Profile-Bios [54]	0.290	0.865	0.812	0.434	0.572	0.545	0.742	0.558	0.610	0.384	0.765	0.471
BBERT Features of Profile-Bios	0.301	0.880	0.911	0.448	0.629	0.612	0.892	0.620	0.708	0.491	0.887	0.579
BBERT Features of NER Disease Timelines	0.317	0.952	0.916	0.475	0.661	0.649	0.892	0.654	0.739	0.524	0.890	0.613